. Wetlands: help replenish under ground water supplies of plants and animals. Wetlands: help replenish under ground water supplies of plants and animals.

Marsh: Fresh water have plants and grasses, reeds wild rice, animals, frogs and turtles

The water saves animals and plants. It gives them oxygen to breath. The water saves animals and plants. It gives them oxygen to breath.

Sediment with a lot of small grains, such as silt and clay, have high surface-to-volume ratio’s and can absorb more materials. Sediment with a lot of small grains, such as silt and clay, have high surface-to-volume ratio’s and can absorb more materials. Take a pinch of sediment and spread it out on a glass slide. Use the magnifying glass to observe individual grains. Take a pinch of sediment and spread it out on a glass slide. Use the magnifying glass to observe individual grains.

Turbidity is a measure of the amount of suspended material in the water. Turbidity is a measure of the amount of suspended material in the water. Find the white bucket of water by the fire exit. This is your bay to measure turbidity. Find the white bucket of water by the fire exit. This is your bay to measure turbidity. Slowly lower the secchi disk until you can just no longer see it. Slowly lower the secchi disk until you can just no longer see it.

Ph is a measurement of the acidity or alkalinity of a substance. Ph is a measurement of the acidity or alkalinity of a substance. Take a piece of ph paper into the water. Take a piece of ph paper into the water. Match the strip with color on the package. Match the strip with color on the package.

Oxygen dissolves directly into water Oxygen dissolves directly into water From the air at the surface you test using From the air at the surface you test using A ampoule A ampoule